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Micro optimization to improve analysis speed by ~20%
[master-thesis.git]
/
Parasitemia
/
ParasitemiaCore
/
KMedians.fs
diff --git
a/Parasitemia/ParasitemiaCore/KMedians.fs
b/Parasitemia/ParasitemiaCore/KMedians.fs
index
504172a
..
bae7a24
100644
(file)
--- a/
Parasitemia/ParasitemiaCore/KMedians.fs
+++ b/
Parasitemia/ParasitemiaCore/KMedians.fs
@@
-6,13
+6,15
@@
open System.Drawing
open Emgu.CV
open Emgu.CV.Structure
open Emgu.CV
open Emgu.CV.Structure
-type Result = {
- fg: Image<Gray, byte>
- median_bg: float
- median_fg: float
- d_fg: Image<Gray, float32> } // Euclidean distances of the foreground to median_fg.
-
-let kmedians (img: Image<Gray, float32>) : Result =
+type Result =
+ {
+ fg : Image<Gray, byte>
+ median_bg : float
+ median_fg : float
+ d_fg : Image<Gray, float32> // Euclidean distances of the foreground to median_fg.
+ }
+
+let kmedians (img : Image<Gray, float32>) : Result =
let nbIteration = 4
let w = img.Width
let h = img.Height
let nbIteration = 4
let w = img.Width
let h = img.Height
@@
-40,9
+42,10
@@
let kmedians (img: Image<Gray, float32>) : Result =
for i = 0 to h - 1 do
for j = 0 to w - 1 do
for i = 0 to h - 1 do
for j = 0 to w - 1 do
- if fg.Data.[i, j, 0] > 0uy
- then fg_values.Add(float img.Data.[i, j, 0])
- else bg_values.Add(float img.Data.[i, j, 0])
+ if fg.Data.[i, j, 0] > 0uy then
+ fg_values.Add(float img.Data.[i, j, 0])
+ else
+ bg_values.Add(float img.Data.[i, j, 0])
median_bg <- MathNet.Numerics.Statistics.Statistics.Median(bg_values)
median_fg <- MathNet.Numerics.Statistics.Statistics.Median(fg_values)
median_bg <- MathNet.Numerics.Statistics.Statistics.Median(bg_values)
median_fg <- MathNet.Numerics.Statistics.Statistics.Median(fg_values)